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DR. ELIEZER MENDEL VANALLEN M.D.
NPI 1447484779
Internal Medicine - Medical Oncology in Boston, MA

Active since May 14, 2009PECOS EnrolledAccepts Medicare Assignment
86.28/100
CMS Quality Rating
450 BROOKLINE AVE # D1230, BOSTON, MA 02215(617) 632-6656(617) 632-6656 Get Directions Write a Review

NPPES record last updated: August 12, 2015. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Eliezer Mendel Vanallen M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ELIEZER MENDEL VANALLEN M.D. (NPI 1447484779) is an individual medical oncology provider in Boston, Massachusetts, licensed in Massachusetts (243362) and active in the NPI registry since May 2009. He is enrolled in Medicare PECOS and is a graduate of Other (2007).

NPPES Registry Identity

NPI1447484779
Entity TypeIndividualMale
Primary Taxonomy207RX0202X
Provider Legal NameDR. ELIEZER MENDEL VANALLENCredential: M.D.
Location Address450 BROOKLINE AVE # D1230Boston, MA 02215-5418
Mailing Address450 Brookline Ave # D1230Boston, MA 02215-5418 · (617) 632-6656 · Fax (617) 632-6656
Phone(617) 632-6656
Fax(617) 632-6656
Sole ProprietorYes
Medical School CMSOtherGraduated 2007
Enumeration DateMay 14, 2009
Last NPPES UpdateAugust 12, 2015
✔ NPI 1447484779 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Medical OncologyAllopathic & Osteopathic Physicians
Taxonomy Code207RX0202X
License✔ Licensed in MA · 243362
Definition
An internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and radiotherapists on other treatments for cancer.
Also ListedInternal MedicineTaxonomy 207R00000X · License A107423 (CA)
450 BROOKLINE AVE # D1230, Boston, MA 02215
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Taro Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Eliezer Mendel Vanallen M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587843933
PECOS Enrollment IDI20110201000175
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Eliezer Vanallen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Dana-Farber Cancer Institute, Inc.
Same address
General Acute Care Hospital
450 BROOKLINE AVE
Boston, MA 02215
  • Reassigned Medicare billing, Massachusetts enrollment
  • Also billed through NPI 1346433257 (Massachusetts)
  • 1,026 clinicians in this Medicare group
NPI 1851333686 (617) 632-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02215 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

86.28/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality69.36
Promoting Interoperability100
Improvement Activities40

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Eliezer Vanallen's NPI number?

The NPI number for Eliezer Vanallen is 1447484779. It was assigned to this individual provider in the NPPES registry on May 14, 2009.

Where is Eliezer Vanallen located?

Eliezer Vanallen practices at 450 Brookline Ave # D1230, Boston, MA 02215. The listed phone number is (617) 632-6656.

What is Eliezer Vanallen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.

Is Eliezer Vanallen enrolled in Medicare?

Yes. Eliezer Vanallen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Eliezer Vanallen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eliezer Vanallen reassigns Medicare benefits to Dana-Farber Cancer Institute, Inc. (Boston, MA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Eliezer Vanallen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Eliezer Vanallen accept?

Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Eliezer Vanallen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Eliezer Vanallen was last updated on August 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.